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Individual Calculations January 2021 |
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| Napoli Costa, Antonello Total change: -2.20 | |   |
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| OP Campionato cittadino metropolitano messinese 2020 | Gioiosa Marea | ITA | 2020-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1493 | 1651 | 4.00 | 6 | -0.11 | 20 | -2.20 | |
|  La Barbera, Marcello | | | 1426 | ITA | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Milone, Gaetano | | | 1984 | ITA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Grasso, Giuseppe | | | 1462 | ITA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Germano , Salvatore | | | 1251 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cambria, Chiara | | | 1294 | ITA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Tutone, Andrea | | | 1540 | ITA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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